Semifinal 1
samedi 28 septembre 2019, 17h45 GMT – 17h45 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Christian Coleman | United States | 9.88″ |
| 2 |  Aaron Brown | Canada | + 0.24″ |
| 3 |  Adam Gemili | Great Britain | + 0.25″ |
| 4 | Paulo André De Oliveira | Brazil | + 0.26″ |
| 5 |  Abdul hakim Sani brown | Japan | + 0.27″ |
| 6 |  Taymir Burnet | Netherlands | + 0.3″ |
| 7 |  Lamont Marcell Jacobs | Italy | + 0.32″ |
| 8 |  Bingtian Su | China | + 0.35″ |